[heap] Reland "Remove size specializations in static object visitors. (patchset #4 id:60001 of http…

src/heap/scavenger.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/scavenger.h"
 
 #include "src/contexts.h"
 #include "src/heap/heap-inl.h"
 #include "src/heap/incremental-marking.h"
 #include "src/heap/objects-visiting-inl.h"
@@ skipping 56 matching lines @@
             SharedFunctionInfo::kSize>);
 
     table_.Register(kVisitJSWeakCollection,
                     &ObjectEvacuationStrategy<POINTER_OBJECT>::Visit);
 
     table_.Register(kVisitJSRegExp,
                     &ObjectEvacuationStrategy<POINTER_OBJECT>::Visit);
 
     table_.Register(kVisitJSFunction, &EvacuateJSFunction);
 
-    table_.RegisterSpecializations<ObjectEvacuationStrategy<DATA_OBJECT>,
-                                   kVisitDataObject, kVisitDataObjectGeneric>();
+    table_.Register(kVisitDataObject,
+                    &ObjectEvacuationStrategy<DATA_OBJECT>::Visit);
 
-    table_.RegisterSpecializations<ObjectEvacuationStrategy<POINTER_OBJECT>,
-                                   kVisitJSObject, kVisitJSObjectGeneric>();
+    table_.Register(kVisitJSObjectFast,
+                    &ObjectEvacuationStrategy<POINTER_OBJECT>::Visit);
+    table_.Register(kVisitJSObject,
+                    &ObjectEvacuationStrategy<POINTER_OBJECT>::Visit);
 
-    table_
-        .RegisterSpecializations<ObjectEvacuationStrategy<POINTER_OBJECT>,
-                                 kVisitJSApiObject, kVisitJSApiObjectGeneric>();
+    table_.Register(kVisitJSApiObject,
+                    &ObjectEvacuationStrategy<POINTER_OBJECT>::Visit);
 
-    table_.RegisterSpecializations<ObjectEvacuationStrategy<POINTER_OBJECT>,
-                                   kVisitStruct, kVisitStructGeneric>();
+    table_.Register(kVisitStruct,
+                    &ObjectEvacuationStrategy<POINTER_OBJECT>::Visit);
   }
 
   static VisitorDispatchTable<ScavengingCallback>* GetTable() {
     return &table_;
   }
 
   static void EvacuateThinStringNoShortcut(Map* map, HeapObject** slot,
                                            HeapObject* object) {
     EvacuateObject<POINTER_OBJECT, kWordAligned>(map, slot, object,
                                                  ThinString::kSize);
@@ skipping 373 matching lines @@
 void ScavengeVisitor::ScavengePointer(Object** p) {
   Object* object = *p;
   if (!heap_->InNewSpace(object)) return;
 
   Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p),
                             reinterpret_cast<HeapObject*>(object));
 }
 
 }  // namespace internal
 }  // namespace v8